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Mathematics
Mathematics
Problem
Evaluate
d
d
x
[
sec
(
3
x
+
π
/
6
)
]
∣
x
=
0
\displaystyle \left.\dfrac{d}{dx}\bigl[\sec(3x+\pi/6)\bigr]\right|_{x=0}
d
x
d
[
sec
(
3
x
+
π
/6
)
]
x
=
0
. a)
3
\sqrt{3}
3
b)
2
2
2
c)
2
3
\dfrac{2}{\sqrt{3}}
3
2
d)
2
3
\dfrac{2}{3}
3
2
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